spring DeploymentManagerHttpHandlerFactory 源码
springboot DeploymentManagerHttpHandlerFactory 代码
文件路径：/spring-boot-project/spring-boot/src/main/java/org/springframework/boot/web/embedded/undertow/DeploymentManagerHttpHandlerFactory.java
/*
* Copyright 2012-2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.boot.web.embedded.undertow;
import java.io.Closeable;
import java.io.IOException;
import io.undertow.server.HttpHandler;
import io.undertow.server.HttpServerExchange;
import io.undertow.servlet.api.DeploymentManager;
import jakarta.servlet.ServletException;
import org.springframework.util.Assert;
/**
* {@link HttpHandlerFactory} that for a {@link DeploymentManager}.
*
* @author Andy Wilkinson
* @author Phillip Webb
*/
class DeploymentManagerHttpHandlerFactory implements HttpHandlerFactory {
private final DeploymentManager deploymentManager;
DeploymentManagerHttpHandlerFactory(DeploymentManager deploymentManager) {
this.deploymentManager = deploymentManager;
}
@Override
public HttpHandler getHandler(HttpHandler next) {
Assert.state(next == null, "DeploymentManagerHttpHandlerFactory must be first");
return new DeploymentManagerHandler(this.deploymentManager);
}
DeploymentManager getDeploymentManager() {
return this.deploymentManager;
}
/**
* {@link HttpHandler} that delegates to a {@link DeploymentManager}.
*/
static class DeploymentManagerHandler implements HttpHandler, Closeable {
private final DeploymentManager deploymentManager;
private final HttpHandler handler;
DeploymentManagerHandler(DeploymentManager deploymentManager) {
this.deploymentManager = deploymentManager;
try {
this.handler = deploymentManager.start();
}
catch (ServletException ex) {
throw new RuntimeException(ex);
}
}
@Override
public void handleRequest(HttpServerExchange exchange) throws Exception {
this.handler.handleRequest(exchange);
}
@Override
public void close() throws IOException {
try {
this.deploymentManager.stop();
this.deploymentManager.undeploy();
}
catch (ServletException ex) {
throw new RuntimeException(ex);
}
}
DeploymentManager getDeploymentManager() {
return this.deploymentManager;
}
}
}
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